#include<bits/stdc++.h>
#define ONLINE_JUDGE
#define ll long long
#define ull unsigned long long
using namespace std;

const int N = 1e6 + 10, INF = 0x3f3f3f3f;

string a, s;

void solve()
{
    cin >> a >> s;
    for (int i = 1;i < a.length();i++) {
        if (a[i] >= 'A' && a[i] <= 'Z')
            if (s.find(a[i-1]) == string::npos) { cout << "No"; return; }
    }
    cout << "Yes";
}

signed main()
{
    // ios::sync_with_stdio(0);
    // cin.tie(0);cout.tie(0);
#ifndef ONLINE_JUDGE
    std::istringstream in(R"()");
    std::cin.rdbuf(in.rdbuf());
#endif
    int T = 1;
    //cin>>T;
    for (int i = 1;i <= T;i++) {
        solve();
    }
}